From 4f0e238f2854a9f3e5a1f3cbb0c8d32e66dc15d8 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 13 Apr 2015 07:52:40 +0000
Subject: merge revision(s) 49875: [Backport #10946]

	* class.c (rb_prepend_module): need a WB for klass -> origin.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@50285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'class.c')

diff --git a/class.c b/class.c
index da58a6c3bf..ae190eec09 100644
--- a/class.c
+++ b/class.c
@@ -936,7 +936,7 @@ rb_prepend_module(VALUE klass, VALUE module)
 	OBJ_WB_UNPROTECT(origin); /* TODO: conservertive shading. Need more survery. */
 	RCLASS_SET_SUPER(origin, RCLASS_SUPER(klass));
 	RCLASS_SET_SUPER(klass, origin);
-	RCLASS_ORIGIN(klass) = origin;
+	RB_OBJ_WRITE(klass, &RCLASS_ORIGIN(klass), origin);
 	RCLASS_M_TBL_WRAPPER(origin) = RCLASS_M_TBL_WRAPPER(klass);
 	RCLASS_M_TBL_INIT(klass);
 	st_foreach(RCLASS_M_TBL(origin), move_refined_method,
-- 
cgit v1.2.3